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● Precautions
WARNING
Always provide protective circuits in the network. Without protective cir-
cuits, malfunctions may possibly result in accidents that cause serious
injury or significant property damage. Provide double or triple safety mea-
sures in external control circuits, such as emergency stop circuits, inter-
lock circuits, or limit circuits, to ensure safety in the system if an
abnormality occurs due to malfunction of the product or another external
factor affecting the product's operation.
CAUTION
Do not attempt to disassemble, repair, or modify the product. Doing so
may occasionally result in minor injury due to electric shock.
Do not touch the terminals, or electronic components or patterns on the
PCB within 1 minute after turning OFF the power. Doing so may occa-
sionally result in minor injury due to electric shock.
Do not allow pieces of metal, wire clippings, or fine metallic shavings or
filings from installation to enter the product. Doing so may occasionally
result in electric shock, fire, or malfunction.
Do not use the product in locations where flammable or explosive gases
are present. Doing so may occasionally result in minor or moderate
explosion, causing minor or moderate injury, or property damage.
Do not attempt to disassemble, repair, or modify the product. Doing so
may occasionally result in minor or moderate injury due to electric shock.
Tighten the screws on the terminal block and the connector locking
screws securely using a tightening torque within the following ranges.
Loose screws may occasionally cause fire, resulting in minor or moderate
injury, or damage to the equipment.
Terminal block screws: 0.40 to 0.56 N·m
Connector locking screws: 0.25 to 0.30 N·m
Perform correct setting of the product according to the application. Failure
to do so may occasionally cause unexpected operation, resulting in minor
or moderate injury, or damage to the equipment.
Ensure safety in the event of product failure by taking safety measures,
such as installing a separate overheating prevention alarm system. Prod-
uct failure may occasionally prevent control, or operation of alarm out-
puts, resulting in damage to the connected facilities and equipment.
Do not use the equipment for measurements within Measurement Cate-
gories II, III, or IV (according to IEC61010-1). Doing so may occasionally
cause unexpected operation, resulting in minor or moderate injury, or
damage to the equipment. Use the equipment for measurements only
within the Measurement Category for which the product is designed.
The service life of the output relays depends on the switching capacity
and switching conditions. Consider the actual application conditions and
use the product within the rated load and electrical service life. Using the
product beyond its service life may occasionally result in contact welding
or burning.
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